| Patents for E03F 7 - Other installations or implements for operating sewer systems, e.g. for preventing or indicating stoppage; Emptying cesspools (2,571) |
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| 03/05/2015 | WO2015031407A1 Cable storage drum with moveable ccu docking apparatus |
| 02/24/2015 | CA2825893C Protective grating for a drain pipe |
| 02/19/2015 | WO2015022458A1 Process and unit for pumping flammable products capable of forming an explosive atmosphere |
| 02/19/2015 | DE102013108844A1 Verfahren zur Kanalschachtunterteilsanierung Method for channel manhole base redevelopment |
| 02/18/2015 | EP2837748A1 Anti-flood valve |
| 02/11/2015 | CN204151889U 一种地漏 An earth leakage |
| 02/11/2015 | CN204151888U 一种防臭地漏 One kind of odor floor drain |
| 02/04/2015 | CN204139306U 一种市政下水道沉积土清理装置 One kind of sedimentary soil municipal sewer cleaning device |
| 02/04/2015 | CN204139305U 一种城市环保疏掏车 An urban environmental sparse dig car |
| 01/28/2015 | CN204126047U 组合式下水道防返水装置 Combined sewer anti-back water installations |
| 01/28/2015 | CN204126041U 内置于下水管的存水弯、板盖一体防逆阀 Built in the trap under the water, one of the anti-reverse valve plate cover |
| 01/28/2015 | CN103161219B 窨井淤泥管道吸运方法 Manhole mud suction pipe transport method |
| 01/27/2015 | US8939169 Unpowered apparatus for preventing backflow |
| 01/21/2015 | CN204112478U 提升抽吸深度的真空污物抽吸车具 Vacuum aspiration to enhance the depth of the dirt car with suction |
| 01/21/2015 | CN204112470U 一种新型地漏 A new floor drain |
| 01/21/2015 | CN102966178B 多功能地下管道清淤动力绞车 Multifunction underground pipeline dredging powered winch |
| 01/15/2015 | US20150019146 Sewer overflow discharge monitoring system and method |
| 01/15/2015 | DE102011011083B4 Einspannrahmen zur Ausbildung einer Hochwasser-Schutzeinrichtung Clamping frame to form a flood-protection device |
| 01/15/2015 | DE102004013999C5 Vorrichtung zur Wiederaufbereitung von Schmutzwasser Apparatus for recycling waste water |
| 01/14/2015 | CN204098212U 一种装有翻转装置的掏挖疏通车 One kind of device is equipped with a flip digging dredge car |
| 01/14/2015 | CN204098211U 检查井污泥清掏工具 Manhole sludge Qingtao Tools |
| 01/14/2015 | CN204098210U 管道自控截污装置 Pipeline controlled interception device |
| 01/14/2015 | CN204098209U 防溢出测控装置 Anti-spill monitoring device |
| 01/14/2015 | CN204098208U 球形筐式挖斗 Ball basket-style bucket |
| 01/14/2015 | CN204098115U 一种检查井清掏装置 A test well Qingtao device |
| 01/14/2015 | CN104278743A 一种污泥清理车 One kind of sludge clean-up drive |
| 01/14/2015 | CN104278742A 一种化粪池用的吸污净化车 One kind of septic tank with suction sewage purification car |
| 01/14/2015 | CN104278741A 清淤器 Dredging device |
| 01/14/2015 | CN104278735A 防臭防鼠盖板 Cover rodent odor |
| 01/14/2015 | CN104278704A 快接抓杆式沼气池清掏机 Whip catch lever machine digesters Qingtao |
| 01/07/2015 | CN204081061U 一种用于下水道的清沙清淤泥微型车 A sewer clean clear sand silt minicar |
| 01/07/2015 | CN204081060U 下水道遥感清污机 Sensing sewer cleaning machine |
| 01/07/2015 | CN204081059U 测量管道清淤排水器 Measuring dredging drainage pipes |
| 01/07/2015 | CN204081058U 城市下水道疏通清理机 City sewer cleaning machine |
| 01/07/2015 | CN204081048U 一种排水覆盖物 A wastewater covering |
| 01/07/2015 | CN204081042U 一种地漏 An earth leakage |
| 01/07/2015 | CN204081031U 防臭防鼠盖板 Cover rodent odor |
| 01/07/2015 | CN104264779A 一种防溢出测控装置 An anti-spill monitoring device |
| 12/31/2014 | CN204059579U 环保机器人的清淤装置 Environmental dredging equipment robot |
| 12/31/2014 | CN204059577U 化粪池用的吸污净化车 Septic tank with suction sewage purification car |
| 12/31/2014 | CN204059576U 一种顶杆抓斗清淤车 One kind of grab dredging rams car |
| 12/31/2014 | CN204059575U 一种吸污车吸深增程装置及吸污车 One kind of sewage suction trucks suck deep and extended-range device sewage suction trucks |
| 12/31/2014 | CN204059574U 分离式闸槽装置 Separate brake tank unit |
| 12/31/2014 | CN204059573U 水力自动冲洗门 Hydraulic automatic flush doors |
| 12/31/2014 | CN204059572U 恒定液位可调堰门 Constant level adjustable weir gate |
| 12/31/2014 | CN204059571U 带格栅的恒定液位可调堰门 Constant level with adjustable weir gate grill |
| 12/31/2014 | CN204059570U 一种预防排水管道堵塞的报警系统 A method of preventing clogged drains alarm system |
| 12/31/2014 | CN204059569U 一种水泥污水管的防堵装置 An anti-blocking device cement sewer |
| 12/31/2014 | CN204054720U 吸污车螺旋分离装置 Sewage suction trucks spiral separator device |
| 12/24/2014 | CN204040181U 一种新型吸粪机 A new fecal suction machine |
| 12/24/2014 | CN204040174U 磁吸式直通组合型地漏的改良结构 Magnetic improved structure to drain straight Combined |
| 12/24/2014 | CN104234179A 一种清除水沟淤泥的设备及方法 A method of removing sludge ditch equipment and methods |
| 12/24/2014 | CN104234178A 球形筐式挖斗 Ball basket-style bucket |
| 12/18/2014 | US20140366977 Method for pulling in restoration pipe and restored pipeline |
| 12/17/2014 | CN204023771U 疏通车的淤泥挖斗 Dredge silt bucket car |
| 12/17/2014 | CN204023768U 一种井内污泥清理装置 One kind of wells sludge cleaning device |
| 12/17/2014 | CN104213631A 一种顶杆抓斗清淤车 One kind of grab dredging rams car |
| 12/10/2014 | CN204001186U 一种环卫排污车防倒灌装置 One kind of vehicle anti-intrusion devices sewage sanitation |
| 12/10/2014 | CN204001185U 一种钟摆式自控截污装置 One kind of pendulum-controlled interception device |
| 12/10/2014 | CN204001184U 液动下开式堰门 Hydraulic weir under the open door |
| 12/10/2014 | CN204001170U 一种防止蟑螂爬入的地漏装置 A cockroach crawl into the drain system to prevent |
| 12/10/2014 | CN104204371A 用于监控雨水沟中的环境条件的系统、方法和用途 System for monitoring the rainwater groove of environmental conditions, methods and uses |
| 12/10/2014 | CN104196117A 一种雨污合流截流装置 One kind of rainwater and sewage closure device |
| 12/10/2014 | CN104196116A 恒定液位可调堰门 Constant level adjustable weir gate |
| 12/10/2014 | CN104196112A 一种地漏 An earth leakage |
| 12/10/2014 | CN104196110A 一种地漏 An earth leakage |
| 10/08/2014 | EP2785926A1 Back pressure safeguard |
| 10/02/2014 | WO2014157641A1 Slide jig for connection of surface materials, and method for laying surface material using slide jig for connection |
| 10/02/2014 | US20140290777 Back-pressure safeguard |
| 09/25/2014 | WO2014148760A1 Endoscopic detection of leakage of water supply pipe without shutting off water supply and apparatus for inspecting inside thereof |
| 09/24/2014 | EP2781666A1 A system for preventing backflow of wastewater |
| 09/18/2014 | US20140262993 Packaged liquid reclamation system |
| 09/18/2014 | US20140261789 Backwater valve assembly and method |
| 09/15/2014 | CA2846334A1 Fence valve with indicator |
| 09/12/2014 | WO2014137047A1 System for monitoring and inspecting inside of large scale potable water pipe in real time without outage of water |
| 09/11/2014 | US20140251460 Wastewater Overflow Prevention System |
| 09/11/2014 | DE102013203840A1 Kurzliner zur Kanalsanierung Short liner for sewer rehabilitation |
| 08/28/2014 | DE102013003070A1 Entsorgungsstation für die Entsorgung von Toiletten-Kassetten von Reisemobilen, Wohnwägen und dergleichen For waste disposal of toilet cassette of motorhomes, caravans and the like |
| 08/13/2014 | CN203769054U 多功能清洗吸污联合疏通车 Multi-function joint sewage suction dredge car wash |
| 08/13/2014 | CN203769053U 一种应用于排污水管道上的多路阀 Applied to sewage pipes trail of multi-way valve |
| 08/13/2014 | CN103981941A 淤泥抓斗 Grab silt |
| 08/13/2014 | CN102498347B 热交换器组件及用于传递热能的方法 A heat exchanger assembly and method for transferring thermal energy |
| 08/06/2014 | CN203755438U 便携绞车清淤疏通装置 Portable winch dredge dredging equipment |
| 08/06/2014 | CN203755437U 一种水利暗渠防冲走学生器具 One kind of water conservancy anti culverts washed student appliances |
| 07/24/2014 | US20140202375 Sewer Cleanout Level Indicator |
| 07/23/2014 | CN203729434U 一种电缆窨井自动排水系统 A cable manhole automatic drainage system |
| 07/23/2014 | CN103938707A 一种下水道沼气收集装置 One kind of sewer gas collection system |
| 07/23/2014 | CN103938686A 一种管道疏通机 One kind of drain cleaners |
| 07/23/2014 | CN103938684A 一种防虫防干涸地漏 One kind of pest control anti-dry floor drain |
| 07/23/2014 | CN102838263B 一种排水池内垃圾清理分离装置及方法 A wastewater pond garbage clean separation apparatus and method |
| 07/17/2014 | US20140196246 Mobile water reclaiming system |
| 07/16/2014 | CN203716281U 仿生机械爪装置及设有仿生机械爪装置的管道疏通器 Bionic mechanical claw device and has a pipeline dredge bionic mechanical claw device |
| 07/16/2014 | CN203716280U 一种防寒型排水闸门 One kind of cold-drain gate |
| 07/15/2014 | CA2673225C Conduit repair structure |
| 07/09/2014 | CN103912046A 直通式软体活盖防逆地漏 Straight-software anti-reverse drain flap |
| 07/09/2014 | CN102888892B 一种污水污物真空抽排分离装置 Sewage pumping one kind of vacuum separation unit |
| 07/03/2014 | US20140182712 Apparatus for disposal from a recreational vehicle |
| 07/02/2014 | CN203684390U 一种挖掘抽吸车用储料罐 For mining suction vehicle storage tank |
| 07/02/2014 | CN203684389U 一种管道清淤装置 Dredging of a piping system |
| 07/02/2014 | CN203684388U 一种用于污水池的自动虹吸抽水装置 Automatic siphon device for pumping cesspool |